TC and freesco 0.32 built-in FTP-server (pureftpd)

[valkenier]

I always used TC to manage files located on my freesco ftp-server. However with TC 6.02 it loses connection every now and then when copying a large amount of files. I reinstalled freesco whithout resolving the problem. If i use another ftp-client I have no problems, so it seems TC related. Has anyone any idea what causes the problem, and how to resolve this?

[Clo]

2valkenier
  Hello !
• Please, could you bring here a part of the FTP log-file ?
• If you don't have one yet, just tick the box and fill the field in Configuration >> Option >> FTP: "Create a log file".
- Show it here rather as "Code", you can hide the private infos with xxx or so, of course.
- You could try to tick the box "Send command to keep connection alive", and decrease the default value from 90" to 60 ", for instance.
- If allowed and /or supported by your server, it should be useful to get an anonymous connection setting, in order to make test from our own PCs...

- To be continued...
 Kind regards,
Claude
Clo

[IGL]

Also if we could see a similiar log generated by other ftp client - it would be useful. Or if we could see the DIFFERENCES between these logs.

[valkenier]

A part from my logfile:

220-FTP server ready.
220 This is a private system - No anonymous login
USER root
331 User root OK. Password required
PASS ***********
230-User root has group access to: root
230 OK. Current directory is /
SYST
215 UNIX Type: L8
FEAT
211-Extensions supported:
EPRT
IDLE
MDTM
SIZE
ESTA
ESTP
REST STREAM
MLST type*;size*;sizd*;modify*;UNIX.mode*;UNIX.uid*;UNIX.gid*;unique*;
MLSD
PASV
EPSV
SPSV
211 End.
Connect ok!
PWD
257 "/" is your current location
Haal directory op
TYPE A
200 TYPE is now ASCII
PORT 192,168,1,2,7,10
200 PORT command successful
LIST
150 Connecting to port 1802
Download
Wacht op de server...
226-Options: -a -l
226 19 matches total
CWD data
250 OK. Current directory is /data
PWD
257 "/data" is your current location
Haal directory op
PORT 192,168,1,2,7,12

<This part was deleted, for better overview>

150 Connecting to port 1818
Download
Wacht op de server...
226-Options: -a -l
226 5 matches total
CWD 3000
250 OK. Current directory is /data/users/eelco/Afbeeldingen/Figuren/Bouwtekeningen/Marklin/explode/3000
PWD
257 "/data/users/eelco/Afbeeldingen/Figuren/Bouwtekeningen/Marklin/explode/3000" is your current location
Haal directory op
PORT 192,168,1,2,7,27
200 PORT command successful
LIST
150 Connecting to port 1819
Download
Wacht op de server...
OFFLINE


At the end it just loses connection, don't know why though.



A part from the log of FTP Commander:

< 220-FTP server ready.
< 220 This is a private system - No anonymous login
> USER root
< 331 User root OK. Password required
> PASS ****
< 230 OK. Current directory is /
> SYST
< 215 UNIX Type: L8
> PWD
< 257 "/" is your current location
> TYPE A
< 200 TYPE is now ASCII
> PORT 192,168,1,2,8,4
< 200 PORT command successful
> LIST
< 150 Connecting to port 2052
< 226 19 matches total
! 1260 bytes received/sent in 0 seconds (8076 Bytes/sec)
> CWD /data
< 250 OK. Current directory is /data
> TYPE A
< 200 TYPE is now ASCII
> PORT 192,168,1,2,8,5
< 200 PORT command successful
> LIST
< 150 Connecting to port 2053
< 226 5 matches total
! 314 bytes received/sent in 0 seconds (1836 Bytes/sec)
> CWD /data/users
< 250 OK. Current directory is /data/users
> TYPE A
< 200 TYPE is now ASCII
> PORT 192,168,1,2,8,6
< 200 PORT command successful
> LIST
< 150 Connecting to port 2054
< 226 5 matches total
! 307 bytes received/sent in 0 seconds (1784 Bytes/sec)
> TYPE A
< 200 TYPE is now ASCII
> CWD /data/users/andre
< 250 OK. Current directory is /data/users/andre
> TYPE A
< 200 TYPE is now ASCII
> PORT 192,168,1,2,8,7
< 200 PORT command successful
> LIST
< 150 Connecting to port 2055
< 226 3 matches total
! 190 bytes received/sent in 0 seconds (1010 Bytes/sec)
> TYPE A
< 200 TYPE is now ASCII
> CWD /data/users/eelco
< 250 OK. Current directory is /data/users/eelco
> TYPE A
< 200 TYPE is now ASCII
> PORT 192,168,1,2,8,8
< 200 PORT command successful
> LIST
< 150 Connecting to port 2056
< 226 10 matches total
! 668 bytes received/sent in 0 seconds (3883 Bytes/sec)
> TYPE A
< 200 TYPE is now ASCII
> CWD /data/users/elly
< 250 OK. Current directory is /data/users/elly
> TYPE A
< 200 TYPE is now ASCII
> PORT 192,168,1,2,8,9
< 200 PORT command successful
> LIST
< 150 Connecting to port 2057
< 226 10 matches total
! 691 bytes received/sent in 0 seconds (4900 Bytes/sec)
Starting transfer of Dates & Formats OUT020919190413.pdf
> TYPE I
< 200 TYPE is now 8-bit binary
> PORT 192,168,1,2,8,10
< 200 PORT command successful
> RETR Dates & Formats OUT020919190413.pdf
< 150 426.1 kbytes to download
< 226 0.199 seconds (measured here), 2.09 Mbytes per second
! 436278 bytes received/sent in 0 seconds (2149000 Bytes/sec)
Starting transfer of desktop.ini
> PORT 192,168,1,2,8,11
< 200 PORT command successful
> RETR desktop.ini
< 150 Connecting to port 2059
< 226 0.015 seconds (measured here), 5.04 Kbytes per second
! 78 bytes received/sent in 0 seconds (553 Bytes/sec)
> TYPE A
< 200 TYPE is now ASCII
> CWD /data/users/andre/foto's zweden
< 250 OK. Current directory is /data/users/andre/foto's zweden
> TYPE A
< 200 TYPE is now ASCII
> PORT 192,168,1,2,8,12
< 200 PORT command successful
> LIST
< 150 Connecting to port 2060
< 226 24 matches total
! 1659 bytes received/sent in 0 seconds (9645 Bytes/sec)
Starting transfer of HPIM0605.JPG
> TYPE I
< 200 TYPE is now 8-bit binary
> PORT 192,168,1,2,8,13
< 200 PORT command successful
> RETR HPIM0605.JPG
< 150 308.5 kbytes to download
< 226 0.151 seconds (measured here), 2.00 Mbytes per second
! 315882 bytes received/sent in 0 seconds (1689000 Bytes/sec)
Starting transfer of HPIM0606.JPG
> PORT 192,168,1,2,8,14
< 200 PORT command successful
> RETR HPIM0606.JPG
< 150 411.2 kbytes to download
< 226 0.216 seconds (measured here), 1.86 Mbytes per second
! 421071 bytes received/sent in 0 seconds (1922000 Bytes/sec)
Starting transfer of HPIM0607.JPG
> PORT 192,168,1,2,8,15
< 200 PORT command successful
> RETR HPIM0607.JPG
< 150 555.5 kbytes to download
< 226 0.276 seconds (measured here), 1.97 Mbytes per second
! 568878 bytes received/sent in 0 seconds (2017000 Bytes/sec)
Starting transfer of HPIM0608.JPG
> PORT 192,168,1,2,8,16
< 200 PORT command successful
> RETR HPIM0608.JPG
< 150 596.5 kbytes to download
< 226 0.261 seconds (measured here), 2.23 Mbytes per second
! 610835 bytes received/sent in 0 seconds (2305000 Bytes/sec)
Starting transfer of HPIM0610.JPG
> PORT 192,168,1,2,8,17


This runs whithout any problems.

[ghisler(Author)]

Please try TCP keep alive.

in wcx_ftp.ini, under [general] add this line:
TcpKeepAlive=1

[valkenier]

Thank you, I tried your suggestion. Unfortunately it doesn't make any difference. I still lose connection. I noticed that it always occurs after tcm states it's waiting for the server. Maybe the server response is too slow for tcmd? I tried increasing the WaitDelay from 5 to 30 in the wcz_ftp.ini, but this doesn't make any difference either. However I'm not sure what this setting implies. Do you have any other suggestions?

[Clo]

2valkenier
  Hello !

• Mark that connection in the servers list "Connect to ftp server", and edit it via the "Edit" button.
• On the sheet "FTP: connection details", tick the box "Send command to keep connection alive", like I told you already above.
- Set a low value, i.e. 30 seconds or even a few less (instead 90 s by default)
- The sent command is NOOP by default.
- Try also PWD and SYST
• Please, let us know what occurs then…
Note : a log is easier to read here when included within the CODE marker (tag)  

  K R
Claude
Clo

[IGL]

Is it possible that you could make a "guest" account (or anonymous user access) with some unimportant file accessible be received and let us try to connect? I could test it and trace packets being sent.
I ask you to try to connect with that account and check if problem remains.
And provide us an IP or doamin name to access the server and username/password.
(in case you agree to let us in)

[valkenier]

I will consider that, however I will try first if I experience the same problem when connecting from the internet myself. If that's not the case, it's useless to open up my ftp-server to the world.

I will let you know.

By the way, checking the box to keep the connection alive doesn't make any difference.